I am not getting any fuel from the tank to the Detroit fuel filter system on the Rt side of the engine. I assumed there is an aux fuel pump near the fuel tank (300 gal) but I cannot find it from below. The fuel ine goes from the filter directly into the rt side frame rail and disappears. Any help would be appreciated.

Harold
On my 6V92's fuel comes from Racor filter to fuel pump on motor.
Then it goes to primary fuel filter at which time it splits 1 to left bank 1 to right bank. If you are not getting fuel to either side I would think you have a problem with the filter output lines to the banks. Do you have a pressure gauge on filter?

Ed, thanks for the reply. No fuel pressure guage, other than that, it is setup as you describe. Is there an electric fuel pump located near the fuel tank? I noted posts conerning the FC series that describe a "Fasco" pump located by the tank (in the FC the tank would be in the rear instead of the middle of the coach). I cannot see the engine pump drawing the fuel all way from the tank located 25' away and then recirculating it through the injector system and eventually returning some back to the tank...but I do not have any documentation except the BB book and it does not cover this problem.

I am not getting any fuel from the tank to the Detroit fuel filter system on the Rt side of the engine. I assumed there is an aux fuel pump near the fuel tank (300 gal) but I cannot find it from below. The fuel ine goes from the filter directly into the rt side frame rail and disappears. Any help would be appreciated.

Harold

Harold...read the site rules and set up you signature before the forum moderators remind you.

No electric fuel pump between the tank and the Racor filter unless one was added. Were you servicing the Racor filter just before the no fuel issue?

DETROIT DIESEL CHECKING FUEL PRESSURE.pdf
How to check the fuel pressure on a Detroit Diesel by Curt Springer. This could be adapted to almost any Diesel engine equipped with a fuel filter, with some modifications.

Harold
Just as Curt says will not be another fuel pump unless added by someone.
6&8V's don't really need one.I think another pump is added to reprime fuel lines when filters are changed, may make it cleaner.

My 6V has a mechanical pump that is very visible on the back of the motor. Fuel is sucked from the tank through a Raycor filter and then a 30 micron spin on filter. Then it goes to the pump. Once it is there it goes through a 5 micron spin on filter and tee's to either head on the engine. I changed my pump when we put new heads on it. They are a very high flow low pressure pump; there is no need for an additional pump. I don't remember the spec as to how many gallons they pump per hour but it is crazy compared to traditional 4-stroke engines. That is why condensation can be a problem due to fuel heating.

Ed, thanks for the reply. No fuel pressure guage, other than that, it is setup as you describe. Is there an electric fuel pump located near the fuel tank? I noted posts conerning the FC series that describe a "Fasco" pump located by the tank (in the FC the tank would be in the rear instead of the middle of the coach). I cannot see the engine pump drawing the fuel all way from the tank located 25' away and then recirculating it through the injector system and eventually returning some back to the tank...but I do not have any documentation except the BB book and it does not cover this problem.

Quote:

Originally Posted by curtsprenger

Harold...read the site rules and set up you signature before the forum moderators remind you.

Good Morning Harold,

Here is what Curt is reffering to;

Quote:

Originally Posted by iamflagman

Please add your permanent signature.

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This was one of the things that you were asked to do in the Wanderlodge Owners Group Rules and that you agreed to, when you became a member of this forum;

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My 6V has a mechanical pump that is very visible on the back of the motor. Fuel is sucked from the tank through a Raycor filter and then a 30 micron spin on filter. Then it goes to the pump. Once it is there it goes through a 5 micron spin on filter and tee's to either head on the engine. I changed my pump when we put new heads on it. They are a very high flow low pressure pump; there is no need for an additional pump. I don't remember the spec as to how many gallons they pump per hour but it is crazy compared to traditional 4-stroke engines. That is why condensation can be a problem due to fuel heating.

So you are only getting fuel to one head or no fuel at either one?

Here is a picture of the little pump; sorry its a little dark. The copper line is the suction. Have you checked your Raycor filter? Any little air leak will not let it prime and pull fuel. There also can be a check valve in the system to help hold the fuel in place. I had a ton of fuel problems with my bus when I bought it; so I had to learn all about it the hard way.

I have the service manual on cd for the 92 series engines. The fuel section is 158 MB and is a .pdf format. It shows diagrams, exploded views, pump service instructions, etc; I can try to send it to you somehow; little big for email; if you wish.

I have the service manual on cd for the 92 series engines. The fuel section is 158 MB and is a .pdf format. It shows diagrams, exploded views, pump service instructions, etc; I can try to send it to you somehow; little big for email; if you wish.

Marc,

If you could burn me a new disc copy and then send it to me by snail mail, I will enter that information into the forum Database, then it can be directly accessed from there, by the membership.